Average Rent in 20878, Gaithersburg, MD
Based on HUD's 2026 Small Area Fair Market Rent data — updated annually.
| Unit size | Typical rent |
|---|---|
| Studio | $2,100/mo |
| 1 Bedroom | $2,160/mo |
| 2 Bedroom | $2,410/mo |
| 3 Bedroom | $3,040/mo |
| 4+ Bedroom | $3,580/mo |
A 2-bedroom apartment in 20878 runs about 7% above the Washington-Arlington-Alexandria metro average of $2,253/month. Rent varies block by block within any metro area — this figure reflects HUD's official Small Area Fair Market Rent for this specific ZIP code, not a metro-wide estimate.
Renewing your lease in 20878?
See how your renewal offer compares to this ZIP code's real market data, and get a free negotiation counteroffer if you have room to push back.
Check My Renewal →Source: HUD Small Area Fair Market Rents, 2026. See rent across every ZIP code in this area on the Washington-Arlington-Alexandria rent guide.